Personalized Kiss My Class Goodbye 2023 Youth T-Shirt. Kiss My Class Goodbye 2023. Congrats, grad! Tell your school it can kiss your class goodbye. Funny gift for the graduate of the class of 2023. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.